Gladstone Institutional Advisory’s Marathon Petroleum MPC Stock Holding History

Gladstone Institutional Advisory’s Portfolio MPC Stock Details MPC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$334K	Sell	1,305 -85	-6%	-$20.9K	0.01%	710
2026 Q1	$339K	Buy	1,390 +138	+11%	+$27.9K	0.01%	633
2025 Q4	$204K	Sell	1,252 -102	-8%	-$19.1K	0.01%	757
2025 Q3	$261K	Sell	1,354 -3	-0.2%	-$528	0.01%	688
2025 Q2	$225K	Buy	+1,357	New	+$203K	0.01%	681
2024 Q1	–	Sell	-1,642	Closed	-$244K	–	684
2023 Q4	$244K	Buy	1,642 +109	+7%	+$16.2K	0.01%	573
2023 Q3	$232K	Buy	+1,533	New	+$214K	0.02%	548
2023 Q2	–	Sell	-1,723	Closed	-$232K	–	680
2023 Q1	$232K	Sell	1,723 -199	-10%	-$24.9K	0.02%	584
2022 Q4	$224K	Buy	+1,922	New	+$219K	0.02%	572

Other funds holding MPC

Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return

New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return

HPC

HM Payson & Co Portland, Maine $7.54B AUM 31.34% 1-Year Est. Return

AIP

ARS Investment Partners New York $2.29B AUM 113.95% 1-Year Est. Return

GIP

Greatmark Investment Partners Columbus, Georgia $906M AUM 16.08% 1-Year Est. Return

Asset Management One Tokyo, Japan $39B AUM 37.51% 1-Year Est. Return

DLA

Douglas Lane & Associates New York $7.37B AUM 21.9% 1-Year Est. Return

Arbejdsmarkedets Tillaegspension Hilleroed $4.6B AUM

Wealth Enhancement Advisory Services Plymouth, Minnesota $59.8B AUM 29.42% 1-Year Est. Return

PCM

Polaris Capital Management Boston, Massachusetts $1.06B AUM 40.82% 1-Year Est. Return

Gladstone Institutional Advisory's MPC Position: Q2 2026 in Review

Gladstone Institutional Advisory reduced its Marathon Petroleum (MPC) stake by 6.1% in Q2 2026, selling an estimated $20.9K and leaving 1,305 shares worth $334K. The position accounts for 0.01% of the portfolio, ranked #710.

Gladstone Institutional Advisory first reported a position in MPC in Q4 2022 and has held it in 9 quarters since. The position peaked at $339K in Q1 2026. 636 funds tracked by Wall St. Rank hold MPC as of Q2 2026.

Gladstone Institutional Advisory held 1,305 shares of Marathon Petroleum worth $334K as of Q2 2026.
Gladstone Institutional Advisory sold 85 Marathon Petroleum shares in Q2 2026, an estimated $20.9K.
Marathon Petroleum made up 0.01% of Gladstone Institutional Advisory's portfolio in Q2 2026, its #710 holding.
Gladstone Institutional Advisory first reported a position in Marathon Petroleum in Q4 2022 and has held it in 9 quarters since.
Gladstone Institutional Advisory's Marathon Petroleum position peaked at $339K in Q1 2026.
636 funds tracked by Wall St. Rank held Marathon Petroleum as of Q2 2026.

Based on Gladstone Institutional Advisory's 13F filing for Q2 2026, filed 27 Jul 2026.